function compareVersion(v1, v2) {
    const v1Array = v1.split('.');
    const v2Array = v2.split('.');
    const len = Math.max(v1Array.length, v2Array.length);

    while (v1Array.length < len) {
        v1Array.push('0');
    }

    while (v2Array.length < len) {
        v2Array.push('0');
    }

    for (let i = 0; i < len; i++) {
        const num1 = parseInt(v1Array[i], 10);
        const num2 = parseInt(v2Array[i], 10);

        if (num1 > num2) {
            return 1;
        }

        if (num1 < num2) {
            return -1;
        }
    }

    return 0;
}

module.exports = compareVersion;
